<template>
  <div>
    <!-- 展示订单详情的结构 -->
    <el-card class="box-card">
      <!-- 卡片头部的结构 -->
      <template #header>
        <div class="detail">挂号详情</div>
      </template>
      <!-- 展示身体部分的顶部结构 -->
      <div class="top">
        <!-- 左侧标签 -->
        <el-tag class="ml-2" type="success">
          <div class="tag">
            <span
              ><el-icon><SuccessFilled /></el-icon
            ></span>
            <span>{{ orderInfo.param?.orderStatusString }}</span>
          </div>
        </el-tag>
        <div class="right_info">
          <img src="../../../../assets/images/code_app.png" alt="" />
          <div class="info">
            <p>微信关注 “114预约挂号”</p>
            <p>“快速预约挂号”</p>
          </div>
        </div>
      </div>
      <!-- 订单详情底部的结构 -->
      <div class="bottom">
        <div class="left">
          <!-- 左侧展示订单详情信息 -->
          <el-descriptions class="margin-top" :column="1" border>
            <el-descriptions-item>
              <template #label>
                <div class="cell-item">就诊人信息</div>
              </template>
              {{ orderInfo.patientName }}
            </el-descriptions-item>
            <el-descriptions-item>
              <template #label>
                <div class="cell-item">就诊日期</div>
              </template>
              {{ orderInfo.reserveDate }}
            </el-descriptions-item>
            <el-descriptions-item>
              <template #label>
                <div class="cell-item">就诊医院</div>
              </template>
              {{ orderInfo.hosname }}
            </el-descriptions-item>
            <el-descriptions-item>
              <template #label>
                <div class="cell-item">就诊科室</div>
              </template>
              {{ orderInfo.depname }}
            </el-descriptions-item>
            <el-descriptions-item>
              <template #label>
                <div class="cell-item">医生职称</div>
              </template>
              {{ orderInfo.title }}
            </el-descriptions-item>
            <el-descriptions-item>
              <template #label>
                <div class="cell-item">医生服务费</div>
              </template>
              <span style="color: red">{{ orderInfo.amount }}</span>
            </el-descriptions-item>
            <el-descriptions-item>
              <template #label>
                <div class="cell-item">挂号单号</div>
              </template>
              {{ orderInfo.outTradeNo }}
            </el-descriptions-item>
            <el-descriptions-item>
              <template #label>
                <div class="cell-item">挂号时间</div>
              </template>
              {{ orderInfo.createTime }}
            </el-descriptions-item>
          </el-descriptions>
          <!--orderStatus = -1 取消预约
                    orderStatus = 0 预约未支付
                    orderStatus = 1 支付成功 -->
          <div class="btn" v-if="orderInfo.orderStatus == 0 || orderInfo.orderStatus == 1">
            <el-popconfirm title="确认取消预约?" @confirm="cancel">
              <template #reference>
                <el-button>取消预约</el-button>
              </template>
            </el-popconfirm>
            <el-button
              type="primary"
              size="default"
              v-if="orderInfo.orderStatus == 0"
              @click="openDialog"
              >支付</el-button
            >
          </div>
        </div>
        <div class="right">
          <el-card class="box-card">
            <template #header>
              <div class="detail">注意事项</div>
            </template>
            <p>1.请确认就诊人信息是否准确，若填写错误将无法取号就诊，损失由本人承担;</p>
            <p style="color: red">
              2.【取号】就诊当天需在
              {{ orderInfo.fetchTime }} 在医院取号,未取号视为奥约，该号不退不换;
            </p>
            <p>3.【退号】在 {{ orderInfo.quitTime }} 前可在线退号,逾期将不可办理退号退费;</p>
            <p>
              4.114预约挂号支持自费患者使用身份证预约，同时支持xx市医保患者使用xx社保卡在平台预约挂号。请于就诊当日，携带预约挂号所使用的有效身份证件到院取号;
            </p>
            <p>5.请注意xx市医保患者在住院期间不能使用社保卡在门诊取号。</p>
          </el-card>
        </div>
      </div>
    </el-card>
    <!-- 展示支付二维码的结构 -->
    <!-- 对话框通过 v-model 控制显示与隐藏的,true:展示,false:隐藏 -->
    <el-dialog @close="close" v-model="dialogVisible" title="微信支付" width="400">
      <!-- 支付需要使用的二维码图片-->
      <div class="qrcode">
        <img :src="imgUrl" alt="" />
        <p>请使用微信扫一扫</p>
        <p>扫描二维码支付</p>
      </div>
      <!-- 对话框底部的插槽传递结构 -->
      <template #footer>
        <el-button type="primary" size="default" @click="closeDialog">关闭窗口</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts">
import { onMounted, ref } from 'vue'
import { reqOrderInfo, reqCancelOrder, reqQrCode, reqQueryPayState } from '@/api/user'
import { useRoute } from 'vue-router'
import type { OrderResponseData, QrCode, PayResult } from '@/api/user/type'
import { ElMessage } from 'element-plus'
//生成二维码插件
//@ts-ignore
import QRCode from 'qrcode'
let $route = useRoute()
//定义存储二维码图片的路径
let imgUrl = ref<string>('')

//控制对话框显示与隐藏的数据
let dialogVisible = ref<boolean>(false)

let orderInfo = ref<any>({})

//存储定时器的引用
let timer = ref<any>()

//组件挂载完毕
onMounted(() => {
  getOrderInfo()
})

//获取订单详情的数据
const getOrderInfo = async () => {
  let result: OrderResponseData = await reqOrderInfo($route.query.orderId as string)
  if (result.code == 200) {
    orderInfo.value = result.data
  }
}

//取消订单
//订单状态有三种
//orderStatus = -1 取消预约
//orderStatus = 0 预约未支付
//orderStatus = 1 支付成功
const cancel = async () => {
  try {
    //取消预约成功
    let result = await reqCancelOrder($route.query.orderId as string)
    if (result.code == 200) {
      //再次获取订单详情的数据
      getOrderInfo()
    }
  } catch (error) {
    ElMessage({
      type: 'error',
      message: '取消预约失败'
    })
  }
}

//点击支付按钮的回调
const openDialog = async () => {
  //展示对话框
  dialogVisible.value = true
  //发请求获取支付需要的二维码信息
  let result: QrCode = await reqQrCode($route.query.orderId as string)
  //根据服务器返回的二维码信息生成二维码图片
  if (result.code == 200) {
    imgUrl.value = await QRCode.toDataURL(result.data.codeUrl)
    //询问服务器支付的结果
    //只要二维码出来，需要几秒询问服务器是否支付成功
    timer.value = setInterval(async () => {
      let result: PayResult = await reqQueryPayState($route.query.orderId as string)
      //如果服务器返回的数据 data = true,代表支付成功
      if (result.data) {
        //关闭对话框
        dialogVisible.value = false
        //提示信息
        ElMessage({
          type: 'success',
          message: '支付成功'
        })
        //清除定时器
        clearInterval(timer.value)
        //再次获取订单详情数据
        getOrderInfo()
      }
    }, 2000)
  }
}

//关闭窗口的回调
const closeDialog = () => {
  //关闭对话框
  dialogVisible.value = false
  //清除定时器
  clearInterval(timer.value)
}
//对话框右上角关闭叉子的回调
const close = () => {
  //清除定时器
  clearInterval(timer.value)
}
</script>

<style scoped lang="scss">
.box-card {
  .detail {
    color: #7f7f7f;
    font-weight: 900;
  }

  .top {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #ccc;
    padding: 10px;

    .tag {
      display: flex;
      justify-content: center;
      align-items: center;

      span {
        margin-left: 5px;
      }
    }

    .right_info {
      display: flex;
      justify-content: space-between;
      align-items: center;

      img {
        width: 40px;
        height: 40px;
      }

      .info {
        margin-left: 10px;

        p {
          font-size: 12px;
          line-height: 20px;
        }
      }
    }
  }

  .bottom {
    display: flex;
    margin-top: 20px;

    .left {
      flex: 4;

      .btn {
        margin: 10px 0px;
      }
    }

    .right {
      margin-left: 20px;
      flex: 6;

      p {
        line-height: 30px;
      }
    }
  }
}

//深度选择器
::v-deep(.el-dialog__body) {
  border-top: 1px solid #7f7f7f;
  border-bottom: 1px solid #7f7f7f;
}

.qrcode {
  display: flex;
  flex-direction: column;
  align-items: center;
  p {
    line-height: 30px;
  }
}
</style>
